A viral math equation with two solutions confused Facebook users. A seemingly simple math problem went viral on YouTube because of two different versions of the order ...

The Union Public Service Commission (UPSC) is preparing to release the official answer key for the National Defence Academy ...

Some of the most satisfying number puzzles require little mathematical know-how. In fact, cracking the one below calls for thinking that is quite nonmathematical. I don’t know where or when I first ...